PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/07-03:43:10
G10     257.2          31.7               16.3 +/-    1.62      27.5 +/-    1.62  0.210 / 0.380
G13     47.7           25.5               12.4 +/-    0.91      23.9 +/-    0.91  0.150 / 0.380
G15     73.4           55.4               11.1 +/-    0.39      13.2 +/-    0.39  0.040 / 0.050
G16     287.4          14.8               10.8 +/-    1.90      27.1 +/-    1.90  0.040 / 0.050
G20     291.7          62.2               12.5 +/-    0.60      13.9 +/-    0.60  0.060 / 0.200
G21     342.7          64.9               11.6 +/-    1.13      12.6 +/-    1.13  0.070 / 0.190
G26     259.7          12.4               14.0 +/-   18.92      37.0 +/-   18.92  0.120 / 0.360
G27     321.9          11.2               -8.2 +/-   34.14     -22.4 +/-   34.14  0.150 / 0.390
G29     166.9          42.5               16.1 +/-    1.38      22.5 +/-    1.38  0.030 / 0.040